| Budget Amount *help |
¥95,940,000 (Direct Cost: ¥73,800,000、Indirect Cost: ¥22,140,000)
Fiscal Year 2020: ¥17,420,000 (Direct Cost: ¥13,400,000、Indirect Cost: ¥4,020,000)
Fiscal Year 2019: ¥18,460,000 (Direct Cost: ¥14,200,000、Indirect Cost: ¥4,260,000)
Fiscal Year 2018: ¥19,110,000 (Direct Cost: ¥14,700,000、Indirect Cost: ¥4,410,000)
Fiscal Year 2017: ¥19,890,000 (Direct Cost: ¥15,300,000、Indirect Cost: ¥4,590,000)
Fiscal Year 2016: ¥21,060,000 (Direct Cost: ¥16,200,000、Indirect Cost: ¥4,860,000)
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| Outline of Final Research Achievements |
Florigen (FT protein) is a molecule that initiates floral transition in plants, thus all reproductive processes in flowers can be said to start with the action of florigen.
In this study, we aim to elucidate the key mechanism of florigen-induced floral transition at the molecular level. Specifically, we aim to elucidate the followings. (1) imaging and functional elucidation of the "key and keyhole" of florigen-induced flower bud differentiation, (2) elucidation of the molecular mechanism of florigen-induced epigenome reprogramming, and (3) elucidation of the effect of heterologous genome merging on genome 3D structure using an artificial heteroploidy that recreates the birth of a new species. We found that shoot apical meristem of rice experiences epigenomic reprogramming twice: during the "florigen-induced reproductive growth phase transition of the meristem" and during the "germ cell differentiation process.
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